Blue Nile vs James Allen
Side-by-side aggregate inventory comparison from Carat Hunter price tracking data.
Blue Nile has 26,840 active diamond listings and James Allen has 129,386 on Carat Hunter as of 2026-04-24.
Inventory size
Blue Nile
USA · USD
26,840
active listings
James Allen
USA · USD
129,386
active listings
Inventory by shape
| Shape | Blue Nile | James Allen |
|---|---|---|
| asscher | 0 | 1,864 |
| cushion | 52 | 1,261 |
| emerald | 2,251 | 5,783 |
| heart | 0 | 3,605 |
| marquise | 0 | 6,001 |
| other | 1,464 | 5,398 |
| oval | 3,371 | 18,273 |
| pear | 0 | 8,329 |
| princess | 2,308 | 11,534 |
| radiant | 0 | 11,207 |
| round | 17,394 | 56,131 |
Compare specific diamonds side by side at Carat Hunter diamond compare.